Rolling residual magnetic technology and the strict control of the temperature of the two top parts

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Can be judged according to the two top temperature changes leading tightness is reasonable; generally top temperature slightly higher than the temperature of the workpiece as the standard.
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(1) Two top temperature is too high reasons: First, the top was too tight, top with the workpiece center hole heart. If the top is too tight, the first to release the top, and then adjust the top tightness Add the butter to the two-center hole.

(2) If there is a top temperature is too high, then top with the workpiece center hole heart.

(3) when the two top temperature and the workpiece temperature consistent workpiece two does not appear polygonal phenomenon, and the spark is relatively uniform, then may continue grinding. Workpiece two Duoleng phenomenon should be tight and look at the top, if the workpiece and did not burn, you can all wear them. Is imperative When the workpiece two spark uneven, tail top.slewing bearing suppliers